<button (click)="expand()">Open</button>
<button (click)="collapse()">Closed</button>
<hr />
<div class="toggle-container" [@openClose]="stateExpression">
  Look at this box
</div>


<div [@queryAnimation]="exp">
  <h1>Title</h1>
  <div class="content">
    Blah blah blah
  </div>
</div>

<hr/>
